The United States Medical Licensing Examination (USMLE) is sponsored by the Federation of State Medical Boards (FSMB) of the United States, Inc., and the National Board of Medical Examiners® (NBME®). It has replaced the examinations previously used to fulfill examination requirements for medical licensure: the Federation Licensing Examination (FLEX) and the certifying examinations of the NBME, Parts I, II, and III. USMLE provides a common evaluation system for all applicants for medical licensure.